Greenland and Antarctica are a long distance away but newly-released research suggests the accelerating disappearance of their ice caps will have a major—and underestimated—effect on extreme weather in Canada.

Half the country's chinook salmon populations are endangered and most of the rest are in decline, according to a science committee that monitors the health of wildlife populations.

The Committee on the Status of Endangered Wildlife in Canada reported yesterday that of Canada's 16 Chinook populations, eight are endangered, four are threatened, and one is considered of special concern.

New research is upending old assumptions about what the ancestors of today's Inuit learned from Viking settlers.

And the techniques researchers have developed to show that ancient Dorset and Thule people knew how to spin yarn centuries before the Norse were thought to have taught them could change the way archeologists think about Arctic history.